Water purifier

ABSTRACT

A water purifier, including a connector assembly including a connector body and a flange portion; the connector body includes the first water inlet cavity and the first water outlet cavity; the flange portion is provided with a flange hole; a filter element assembly including an end cover, the outer wall of the end cover is provided with a flange structure accommodated in the flange hole; a filter element cover having a T-shaped water inlet channel communicated with the first water inlet cavity and a water outlet channel communicated with the first water outlet cavity; a filter element having a water purification cavity communicated with the water outlet channel; and a casing fixed on the end cover, a fourth water inlet cavity is provided between the casing and the filter element and communicated with the T-shaped water inlet channel.

TECHNICAL FIELD

The present disclosure relates to the field of water purification, inparticular to a water purifier.

BACKGROUND

The filtration system in the water purifier is generally the end coverfiltration system which is composed of a upper parts and a lower partswith screw thread to open or close. When the filter bottle isdisassembled, the bottle body needs to be unscrewed. When the screwbetween the bottle body and the end cover is too strong, the compressionangle of the bottle body is tight and it is difficult to disassemble.

At present, the single-stage filtration system is external pressuretype. The water inlet is outside the filter element and is directlyconnected to the water inlet of the joint. When the pressure is toohigh, the air in the water will form bubbles after passing through thewater inlet, which will impact the water inlet and cause noise.

SUMMARY

In view of this, the present disclosure is to provide a water purifierthat is easy to disassemble and has low noise.

A water purifier, including a connector assembly, wherein the connectorassembly includes a connector body and a flange portion integrallyformed with the connector body, the connector body includes a firstwater inlet cavity and a first water outlet cavity; the flange portionis provided with two flange holes; and a filter element assembly,wherein the filter element assembly includes an end cover accommodatedin the connector assembly, an outer wall of the end cover is providedwith two flange structures, and the two flange structures arerespectively accommodated in the two flange holes; a filter elementcover accommodated in the end cover, the filter element cover having aT-shaped water inlet channel and a water outlet channel that is notconnected to the T-shaped water inlet channel, the T-shaped water inletchannel is communicated with the first water inlet cavity, and the wateroutlet channel is communicated with the first water outlet cavity; afilter element fixed at one end of the filter element cover, the filterelement having a water purification cavity, the water purificationcavity is communicated with the water outlet channel; and a casing fixedon the end cover, a fourth water inlet cavity is provided between thecasing and the filter element, and the fourth water inlet cavity iscommunicated with the T-shaped water inlet channel; water beforefiltration enters the fourth water inlet cavity through the first waterinlet cavity and the T-shaped water inlet channel, then passes throughthe filter element and enters the water purification cavity to purify,and then flows out from the first water outlet cavity through the wateroutlet channels.

Further, the flange hole is C-shaped, the flange structure isfan-shaped, and the flange structure is configured to rotate into theflange hole when the end cover is accommodated into the connectorassembly.

Further, the flange portion further includes a fourth accommodatingcavity, and a upper side and a lower side of an inner wall of the fourthaccommodating cavity are provided with two transition sections, and thetransition section is located at one end of the two flange holes, thefourth accommodating cavity is used to accommodate the flange portion,when the flange portion is accommodated in the fourth accommodatingcavity and two ends opposite to each other of the flange structure areabutted on the inner wall of the fourth accommodating cavityrespectively, the end cover is rotated by 90°, and the flange structureslides into the flange hole through the transition section.

Further, an interior of the connector body further includes a waterinlet boss, a water outlet boss surrounding the water inlet boss, and aninterior of the water inlet boss is provided with a first accommodatingcavity communicating with the first water inlet cavity, an interior ofthe water outlet boss is provided with a second accommodating cavitycommunicating with the water outlet cavity; an interior of the connectorassembly is provided with a third accommodating cavity, the firstaccommodating cavity, the second accommodating cavity and the flangehole are respectively communicated with the third accommodating cavity;the end of the filter element cover far away from the filter element isaccommodated in the first accommodating cavity, the T-shaped water inletchannel is communicated with the first accommodating cavity; the end ofthe end cover away from the filter element is accommodated in the secondaccommodating cavity and the third accommodating cavity, the wateroutlet channel is communicated with the second accommodating cavity.

Further, the filter element cover includes a water inlet body, a wateroutlet body, two extension portions and a second connecting end, thewater outlet body is arranged around one end of the water inlet body,the extension part is arranged around one end of the water outlet body,the water outlet main body and the two extension portions are arrangedon the second connecting end, a second water inlet cavity is provided inthe water inlet body, the water outlet channel is located on the wateroutlet body, and each of the extension portions is provided with a thirdwater inlet cavity, the second water inlet cavity and the third waterinlet cavity together form the T-shaped water inlet channel.

Further, at least one water inlet o-ring is provided between the waterinlet body and an inner wall of the first accommodating cavity, and atleast one water outlet o-ring is provided between the water outlet bodyand the end cover, and at least one end cover o-ring is provided betweenthe end cover and an inner wall of the second accommodating cavity.

Further, the water inlet body is provided with a water inlet, and thewater inlet is communicated with the first water inlet cavity and thesecond water inlet cavity.

Further, the water inlet is an asymmetrical arc structure withprotrusions.

Further, the end cover includes a first connecting end, and a surface ofthe flange portion at one end away from the water outlet cavity is incontact with a surface of the first connecting end of the end coverfacing to the flange portion.

Further, a section of the end cover away from the connector assembly isprovided with a concave stop, one end of the casing is provided with aconvex stop, and the concave stop cooperates with the convex stop toconnect the end cover and the casing together.

Further, the water purifier further includes a filter element bottom,the filter element bottom is located in the casing, and one end of thefilter element bottom is connected to one end of the filter element awayfrom the filter element cover, and the other end is connected andmatched with a rib of the casing.

The water purifier provided by the present disclosure, 1) the flangestructure with a fan-shape can directly enter the flange hole in arotating way to cooperate with the flange hole to connect the connectorassembly with the filter element assembly, that is, the flange structurecan still slide out from the flange hole when the flange structurerotates in the opposite direction, so that the connector assembly andthe filter element assembly can be disassembled without tools; 2) T-typeinlet channel is used to separate the water before filtration and thenenter the filter element to realize water purification. And the gasgenerated when water before filtration directly enters the water inletis decomposed into small bubbles after passing through the filterelement, with the same filtering accuracy as that of the filter element,and is discharged from the water outlet channel to reduce the filterelement noise.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a perspective view of a water purifier provided by the presentdisclosure.

FIG. 2 is an exploded view of the water purifier shown in FIG. 1.

FIG. 3 is a sectional view of the connector assembly in the waterpurifier shown in FIG. 2.

FIG. 4 is a sectional view of the connector assembly in the waterpurifier shown in FIG. 2 from an another direction.

FIG. 5 is a perspective view of the end cover in the water purifiershown in FIG. 2.

FIG. 6 is an assembly view showing the end cap shown in FIG. 5 and theconnector assembly shown in FIG. 3 in the initial state.

FIG. 7 is an assembly view showing the end cap shown in FIG. 5 and theconnector assembly shown in FIG. 3 after the end cap is rotated.

FIG. 8 is a sectional view of the filter element cover in the waterpurifier shown in FIG. 2.

FIG. 9 is a sectional view of the filter element cover in the waterpurifier shown in FIG. 2 from an another direction.

FIG. 10 is a sectional view of the filter element assembly of the waterpurifier shown in FIG. 1.

FIG. 11 is a top view of the filter element assembly of the waterpurifier shown in FIG. 1.

FIG. 12 is a sectional view of the water purifier shown in FIG. 1.

FIG. 13 is a sectional view of the water purifier shown in FIG. 1 fromfrom an another direction.

Notation description of main elements water purifier 100 Connectorassembly 101 Connector body 11 Flange portion 12 Water inlet connector13 Water outlet connector 14 Water inlet cover plate 151 Water inletclip 161 Water outlet Cover plate 152 Water outlet clip 162 First inletcavity 111 First outlet cavity 112 Water inlet boss 17 Water outlet boss18 First accommodating cavity 171 Second accommodating cavity 181 Gap182 Third accommodating cavity 19 Hanging piece 113 Flange hole 121Fourth accommodating cavity 122 Transition section 123 Filter elementassembly 102 End cover 20 End cover body 21 First connecting end 22Flange structure 23 Fifth accommodating cavity 24 End cover o-ringgroove 211 End cover o-ring 212 First support portion 25 Second supportportion 26 Concave stop 221 Fliter element cover 30 water inlet body 31water outlet body 32 Mounting portion 33 Water inlet 311 Second inletcavity 312 Water inlet o-ring groove 313 Water outlet channel 321 Wateroutlet o-ring groove 322 Water outlet o-ring 323 Receiving groove 331Second outlet cavity 332 T-type inlet channel 301 Filter element 40Water purification cavity 41 Casing 50 The fourth inlet cavity 51 Convexstop 52 Filter element bottom 60

The present disclosure is further described in the following specificembodiments.

DETAILED DESCRIPTION OF THE EMBODIMENTS

The technical solutions in the embodiments of the present disclosurewill be described clearly and completely with FIGS. 1-13. It is apparentthat the described embodiments are only a part of the embodiments of thepresent disclosure, not all of the embodiments. Based on the embodimentof the present disclosure, all other embodiments obtained by ordinaryskilled person in the art without creative labor belong to the scope ofthe present disclosure.

The location words “first” and “second” used in this paper are definedby the position of each element of the water purifier, but not limited.

Unless otherwise defined, all technical and scientific terms used hereinhave the same meanings as those commonly understood by those skilled inthe art of the present disclosure. The terms used in the specificationof the present disclosure are only for the purpose of describingspecific embodiments, and are not intended to limit the presentdisclosure.

As shown in FIG. 1, the present disclosure is to provides a waterpurifier 100, which includes at least one connector assembly 101 and atleast one filter element assembly 102 connected to the connectorassembly 101. Wherein, the connector assembly 101 cooperates with thefilter element assembly 102 to complete the purification of the waterbefore filtration.

Please refer to FIGS. 2-4, the connector assembly 101 includes aconnector body 11, a flange 12, and a water inlet connector 13 and awater outlet connector 14 formed on the connector body 11. The connectorportion 11, the flange portion 12, the water inlet connector 13 and thewater outlet connector 14 are integrally formed. In this embodiment, thesize of the flange portion 12 is larger than the size of the connectorbody 11.

Wherein, the water inlet connector 13 is a water inlet port of the waterpurifier 100, or as a connection port connected to another connectorassembly 101 to purify the water before filtration in a hierarchicalmanner.

Wherein, the water outlet connector 14 is a water outlet port of thewater purifier 100 or a connection port connected with another connectorassembly 101 to purify the water before filtration in a hierarchicalmanner.

Wherein, the water inlet cover plate 151, the water inlet clip 161 andthe water inlet sealing ring (not shown in the figure) are also arrangedin the water inlet connector 13. The water inlet cover plate 151 isaccommodated in the water inlet connector 13, the water inlet clip 161is accommodated in the water inlet cover plate 151, and the water inletsealing ring is located in the gap between the water inlet cover plate151, the water inlet clip 161 and the water inlet connector 13 to sealthe water inlet connector 13, the water inlet cover plate 151 and thewater inlet clip 161, so as to prevent the overflow of the water beforefiltration.

Wherein, the water outlet connector 14 is also provided with a wateroutlet cover plate 152, a water outlet clip 162 and a water outletsealing ring (not shown in the figure). The water outlet cover plate 152is accommodated in the water outlet connector 14, the water outlet clip162 is accommodated in the water outlet cover plate 152, and the wateroutlet sealing ring is located in the gap between the water outlet coverplate 152, the water outlet clip 162 and the water outlet connector 14to seal the water outlet connector 14, the water outlet cover plate 152and the water outlet clip 162, so as to prevent the overflow of thewater before filtration.

Wherein, the connector body 11 further includes a first water inletcavity 111 and a first water outlet cavity 112, the first water inletcavity 111 is communicated with the water inlet connector 13, and thefirst water outlet cavity 112 is communicated with the water outletconnector 14. In this embodiment, the first water inlet cavity 111 andthe first water outlet cavity 112 are L-shaped.

Wherein, the interior of the connector assembly 101 is also providedwith a water inlet boss 17, a water outlet boss 18 arranged around thewater inlet boss 17 and a third accommodating cavity 19, the interior ofthe water inlet boss 17 is provided with a first accommodating cavity171, and the interior of the water outlet boss 18 is provided with asecond accommodating cavity 181. The first accommodating cavity 171, thesecond accommodating cavity 181 and the flange hole 121 are respectivelycommunicated with the third accommodating cavity 19. The firstaccommodating cavity 171 is communicated with the first water inletcavity 111, and the second accommodating cavity 181 is communicated withthe first water outlet cavity 112.

Wherein, the water outlet boss 18 is concentric with the water inletboss 17.

Wherein, the connector assembly 101 also includes a hanging piece 113integrally formed with the connector body 11. The hanging piece 113, thewater inlet connector 13 and the water outlet connector 14 arerespectively located on three different surfaces of the connector body11. The four bosses are located on the back of the hanging piece 113,and there are four through holes on the four boss. The four throughholes are used for installing fastening bolts to fix the hanging piece113.

Referring to FIGS. 5-7, the flange portion 12 is provided with twoflange holes 121 and a fourth accommodating cavity 122 communicatingwith the third accommodating cavity. Two transition sections 123 areformed on the inner wall of the fourth accommodating cavity 122, and thetransition sections 123 are located at one end of the two flange holes121. The flange holes 121 penetrate through the flange portion 12. Theflange holes 121 are used to contain the flange structure 23 describedbelow to fasten the connector assembly 101 and the filter elementassembly 102 together. The fourth accommodating cavity 122 is used tocontain one end of the end cover 20 adjacent to the filter element 40.When one end of the end cover 20 adjacent to the filter element 40 isaccommodated in the fourth accommodating cavity 122, and the oppositeends of the two flange structures 21 are respectively butted on theinner wall of the fourth accommodating cavity 122, the end cover 20 isrotated 90° and the flange structure 21 slides into the flange hole 121through the transition section 123.

In the present embodiment, the two flange holes 121 are in oppositepositions. Of course, in other embodiment, the positions of the twoflange holes 121 are not limited to opposite positions, and there canalso be other positional relationships. In the present embodiment, theflange hole 121 is a C-shaped, and the cross section of the flange hole121 is rectangular.

Referring to FIGS. 2 and 5-10, the filter element assembly 102 includesan end cover 20, a filter element cover 30, a filter element 40, acasing 50 and a filter element bottom 60. The end cover 20 isaccommodated and fixed in the second accommodating cavity 181 and thethird accommodating cavity 19, the filter element cover 30 isaccommodated in the end cover 20 and one end of the filter element coveris accommodated in the first accommodating cavity 171. The filterelement 40 is located under the filter element cover 30 and isaccommodated in one end of the filter element cover 30 far away from theconnector assembly 101. The casing 50 is fixed at one end of the endcover 20 far away from the connector assembly 101, and the filterelement 40 is accommodated in the casing 50. The filter element bottom60 is accommodated in the casing 50, and one end of the filter elementbottom is connected to one end of the filter element 40 far away fromthe filter element cover 30, and the other end is connected with the ribof the casing 50.

Specifically, refer to FIGS. 5 and 9, the end cover 20 includes an endcover body 21, a first connecting end 22, at least two flange structures23, at least two first support portions 25, and at least two secondsupport portions 26. The end cover body 21 is fixed on the firstconnecting end 22. The flange structure 23 is fixed on the end coverbody 21 and in a opposite position. The first support portion 25 isfixed on the first connecting end 22 and higher than the flangestructure 23. The end cover 20 further includes a fifth accommodatingcavity 24, and the second support portion 26 is fixed on the inner wallof the fifth accommodating cavity 24. Wherein, the end face of the wateroutlet boss 18 facing the third accommodating cavity 19 is arranged onthe first support portion 25, and the second support portion 26 isarranged on the end face of the water outlet body 32 far away from thefilter element 40.

Referring to FIG. 10-13, at least one end cover o-ring groove 211 isformed at the position higher than that of the first support portion 25on the end cover body 21, and an end cover o-ring 212 is formed in theend cover o-ring groove 211. The end cover body 21 is accommodated inthe third accommodating cavity 19 and the second accommodating cavity181. There is a gap 182 between the inner wall of the end cover body 21and the inner wall of the second accommodating cavity 181. And the gap182 is a part of the second accommodating cavity 181 and can be used asa part of the water outlet channel. The end cover o-ring 212 is closelyattached to the inner wall of the second accommodating cavity 181 toform a scaling structure, thereby preventing the leakage of purifiedwater. Wherein, the flange structure 23 is accommodated in the flangehole 121 to lock the connector assembly 101 and the filter elementassembly 102.

In the present embodiment, the flange structure 23 is fan-shaped.

Refer to FIGS. 8-13, wherein the filter element cover 30 includes awater inlet body 31, a water outlet body 32, two extension portions 34and a second connecting end 33. The water outlet body 32 is arrangedaround one end of the water inlet body 31, the two extension portions 34are arranged around one end of the water outlet body 31, the wateroutlet body 32 and the two extension portions 34 are arranged on thesecond connecting end 33. The filter element cover 30 is accommodated inthe fifth accommodating cavity 24 of the end cover 20. The water inletbody 31 is accommodated in the first accommodating cavity 171. The waterinlet body 31 is provided with a second water inlet cavity 312. Thesecond water inlet cavity 312 is communicated with the firstaccommodating cavity 171. The second water outlet body 32 is providedwith a water outlet channel 321. The water outlet channel 321 iscommunicated with the gap 182. Each of the extension portions 34 isprovided with a third water inlet cavity 341, and the second water inletcavity 312 and the third water inlet cavity 341 together form a T-shapedwater inlet channel 301. The T-shaped water inlet channel 301 can dividethe water before filtration flowing into the second water inlet cavity312 and the third water inlet cavity 341 separately.

Wherein, the water inlet body 31 is also provided with a water inlet311. The water inlet 311 is communicated with the first accommodatingcavity 171 and the second water inlet cavity 312.

Referring to FIG. 11, the water inlet 311 is an asymmetrical arcstructure with protrusions.

Wherein, at least one water inlet o-ring groove 313 is also formed onthe outer wall of the water inlet body 31, and the water inlet o-ring314 is formed in the water inlet o-ring groove 313, and the water inleto-ring 314 is closely attached to the inner wall of the firstaccommodating cavity 171 to form a sealing structure, so as to preventthe leakage of the water before filtration.

Wherein, at least one water outlet o-ring groove 322 is formed on theouter wall of the water outlet body 32, and a water outlet o-ring 323 isformed in the water outlet o-ring groove 322, and the water outleto-ring 323 is closely attached to the inner wall of the fifthaccommodating cavity 24 of the end cover 20 to form a sealing structure,thereby preventing the leakage of the purified water.

Wherein, the mounting portion 33 is provided with a receiving groove 331and a second water outlet cavity 332. The second water outlet cavity 332is directly facing the second water inlet cavity 312, and the receivinggroove 331 is arranged around the second water outlet cavity 332. Thesecond water outlet cavity 332 is communicated with the water outletchannel 321.

Referring to FIGS. 10-11, the filter element 40 is provided with a waterpurification cavity 41. One end of the filter element 40 is accommodatedin the receiving groove 331. The water purification cavity 41 iscommunicated with the second water outlet cavity 332.

In this method, the filter element 40 is a carbon rod.

Referring to FIGS. 10, 12-13, the casing 50 is a hollow casing. One endof the casing 50 is provided with a convex stop 52, and the casing 50 isconnected to the concave stop 221 of the end cover 20 by the convex stop52. The concave stop 221 is engaged with the convex stop 52 to connectthe casing 50 and the end cover 20 detachably. Wherein, the filterelement 40 is accommodated in the casing 50. A fourth water inlet cavity51 is arranged between the inner wall of the casing 50 and the outerwall of the filter element 40. The fourth water inlet cavity 51 iscommunicated with the third water inlet cavity 341. The bottom 60 of thefilter element is accommodated in the casing 50, and one end of thebottom 60 of the filter element is connected to one end of the filterelement 40 far away from the filter element cover 30, and the other endis connected with the rib of the casing 50 to seal the waterpurification cavity 41, so as to prevent the leakage of the purifiedwater.

The water before filtration enters into the first water inlet cavity 111from the water inlet connector 13, and flows into the water inlet 311and the second water inlet cavity 312 in sequence, the water are dividedinto two flows in the third water inlet cavity 341, and then the waterflows into the fourth water inlet cavity 51. The water before filtrationin the fourth water inlet cavity 51 permeates into the waterpurification cavity 41 through the small holes in the filter element 40to realize the filtration of the water before filtration, such that thepurified water is obtained. The purified water in the water purificationcavity 41 flows through the second water outlet cavity 332, the wateroutlet channel 321 and the gap 182 in sequence, and then flows into thefirst water outlet cavity 112, and finally flows out from the wateroutlet connector 14.

The water purifier provided by the present disclosure, 1) the flangestructure with a fan-shape can directly enter the flange hole in arotating way to cooperate with the flange hole to connect the connectorassembly with the filter element assembly, that is, the flange structurecan still slide out from the flange hole when the flange structurerotates in the opposite direction, so that the connector assembly andthe filter element assembly can be disassembled without tools; 2) T-typeinlet channel is used to separate the water before filtration and thenenter the filter element to realize water purification. And the gasgenerated when water before filtration directly enters the water inletis decomposed into small bubbles after passing through the filterelement, with the same filtering accuracy as that of the filter element,and is discharged from the water outlet channel to reduce the noise ofthe filter element.

It is understandable that for those of ordinary skill in the art,various other corresponding changes and modifications can be madeaccording to the technical concept of the present disclosure, and allthese changes and modifications shall belong to the scope of the claimsof the present disclosure.

What is claimed is:
 1. A water purifier, comprising: a connectorassembly, wherein the connector assembly comprises a connector body anda flange portion integrally formed with the connector body; theconnector body comprises a first water inlet cavity and a first wateroutlet cavity; the flange portion is provided with two flange holes; anda filter element assembly, wherein the filter element assemblycomprises: an end cover accommodated in the connector assembly, an outerwall of the end cover is provided with two flange structures, and thetwo flange structures are respectively accommodated in the two flangeholes; a filter element cover accommodated in the end cover, the filterelement cover having a T-shaped water inlet channel and a water outletchannel that is not connected to the T-shaped water inlet channel, theT-shaped water inlet channel is communicated with the first water inletcavity, and the water outlet channel is communicated with the firstwater outlet cavity; a filter element fixed at one end of the filterelement cover, the filter element having a water purification cavity,the water purification cavity is communicated with the water outletchannel; and a casing fixed on the end cover, a fourth water inletcavity is provided between the casing and the filter element, and thefourth water inlet cavity is communicated with the T-shaped water inletchannel; water before filtration enters the fourth water inlet cavitythrough the first water inlet cavity and the T-shaped water inletchannel, then passes through the filter element and enters the waterpurification cavity to purify, and then flows out from the first wateroutlet cavity through the water outlet channels.
 2. The water purifieraccording to claim 1, wherein the flange hole is C-shaped, the flangestructure is fan-shaped, and the flange structure is configured torotate into the flange hole when the end cover is accommodated into theconnector assembly.
 3. The water purifier according to claim 1, whereinthe flange portion further comprises a fourth accommodating cavity, anda upper side and a lower side of an inner wall of the fourthaccommodating cavity are provided with two transition sections, and thetransition section is located at one end of the two flange holes, thefourth accommodating cavity is used to accommodate the flange portion,when the flange portion is accommodated in the fourth accommodatingcavity and two ends opposite to each other of the flange structure areabutted on the inner wall of the fourth accommodating cavityrespectively, the end cover is rotated by 90°, and the flange structureslides into the flange hole through the transition section.
 4. The waterpurifier according to claim 1, wherein an interior of the connector bodyfurther comprises a water inlet boss, a water outlet boss surroundingthe water inlet boss, and an interior of the water inlet boss isprovided with a first accommodating cavity communicating with the firstwater inlet cavity, an interior of the water outlet boss is providedwith a second accommodating cavity communicating with the water outletcavity; an interior of the connector assembly is provided with a thirdaccommodating cavity, the first accommodating cavity, the secondaccommodating cavity and the flange hole are respectively communicatedwith the third accommodating cavity; the end of the filter element coverfar away from the filter element is accommodated in the firstaccommodating cavity, the T-shaped water inlet channel is communicatedwith the first accommodating cavity; the end of the end cover away fromthe filter element is accommodated in the second accommodating cavityand the third accommodating cavity, the water outlet channel iscommunicated with the second accommodating cavity.
 5. The water purifieraccording to claim 4, wherein the filter element cover comprises a waterinlet body, a water outlet body, two extension portions and a secondconnecting end, the water outlet body is arranged around one end of thewater inlet body, the extension part is arranged around one end of thewater outlet body, the water outlet main body and the two extensionportions are arranged on the second connecting end, a second water inletcavity is provided in the water inlet body, the water outlet channel islocated on the water outlet body, and each of the extension portions isprovided with a third water inlet cavity, the second water inlet cavityand the third water inlet cavity together form the T-shaped water inletchannel.
 6. The water purifier according to claim 5, wherein at leastone water inlet o-ring is provided between the water inlet body and aninner wall of the first accommodating cavity, and at least one wateroutlet o-ring is provided between the water outlet body and the endcover, and at least one end cover o-ring is provided between the endcover and an inner wall of the second accommodating cavity.
 7. The waterpurifier according to claim 5, wherein the water inlet body is providedwith a water inlet, and the water inlet is communicated with the firstwater inlet cavity and the second water inlet cavity.
 8. The waterpurifier according to claim 7, wherein the water inlet is anasymmetrical arc structure with protrusions.
 9. The water purifieraccording to claim 1, wherein the end cover comprises a first connectingend, and a surface of the flange portion at one end away from the wateroutlet cavity is in contact with a surface of the first connecting endof the end cover facing to the flange portion.
 10. The water purifieraccording to claim 9, wherein a section of the end cover away from theconnector assembly is provided with a concave stop, one end of thecasing is provided with a convex stop, and the concave stop cooperateswith the convex stop to connect the end cover and the casing together.11. The water purifier according to claim 9, wherein the water purifierfurther comprises a filter element bottom, the filter element bottom islocated in the casing, and one end of the filter element bottom isconnected to one end of the filter element away from the filter elementcover, and the other end is connected and matched with a rib of thecasing.